Soufitri, Fithrie, and Ellanda Purwawijaya. “Analisis Kualitas Rancangan Point of Sale Menerapkan Metode Mean Squared Error”. JURNAL MEDIA INFORMATIKA BUDIDARMA 6, no. 4 (October 25, 2022): 2376–2382. Accessed April 15, 2026. https://ejurnal.stmik-budidarma.ac.id/index.php/mib/article/view/4767.